lludp direct encode mapblockreply. Not bc its a high volume packet, but bc it needed work anyways
UbitUmarov
parent
492ba8f644
commit
4a80802bec
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@ -1561,56 +1561,135 @@ namespace OpenSim.Region.ClientStack.LindenUDP
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OutPacket(newSimPack, ThrottleOutPacketType.Unknown);
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}
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internal void SendMapBlockSplit(List<MapBlockData> mapBlocks, uint flag)
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static private readonly byte[] MapBlockReplyHeader = new byte[] {
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Helpers.MSG_RELIABLE,
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0, 0, 0, 0, // sequence number
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0, // extra
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0xff, 0xff, 1, 153 // ID 409 (bigendian low frequency)
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};
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public void SendMapBlock(List<MapBlockData> mapBlocks, uint flags)
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{
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MapBlockReplyPacket mapReply = (MapBlockReplyPacket)PacketPool.Instance.GetPacket(PacketType.MapBlockReply);
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// TODO: don't create new blocks if recycling an old packet
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int blocks = mapBlocks.Count;
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ushort[] sizes = new ushort[2 * blocks];
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bool needSizes = false;
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int sizesptr = 0;
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MapBlockData[] mapBlocks2 = mapBlocks.ToArray();
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mapReply.AgentData.AgentID = AgentId;
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mapReply.Data = new MapBlockReplyPacket.DataBlock[mapBlocks2.Length];
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mapReply.Size = new MapBlockReplyPacket.SizeBlock[mapBlocks2.Length];
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mapReply.AgentData.Flags = flag;
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for (int i = 0; i < mapBlocks2.Length; i++)
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// check if we will need sizes block and get them aside
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int count = 0;
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ushort ut;
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foreach (MapBlockData md in mapBlocks)
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{
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mapReply.Data[i] = new MapBlockReplyPacket.DataBlock();
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mapReply.Data[i].MapImageID = mapBlocks2[i].MapImageId;
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//m_log.Warn(mapBlocks2[i].MapImageId.ToString());
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mapReply.Data[i].X = mapBlocks2[i].X;
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mapReply.Data[i].Y = mapBlocks2[i].Y;
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mapReply.Data[i].WaterHeight = mapBlocks2[i].WaterHeight;
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mapReply.Data[i].Name = Utils.StringToBytes(mapBlocks2[i].Name);
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mapReply.Data[i].RegionFlags = mapBlocks2[i].RegionFlags;
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mapReply.Data[i].Access = mapBlocks2[i].Access;
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mapReply.Data[i].Agents = mapBlocks2[i].Agents;
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ut = md.SizeX;
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sizes[count++] = ut;
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if (ut > 256)
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needSizes = true;
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mapReply.Size[i] = new MapBlockReplyPacket.SizeBlock();
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mapReply.Size[i].SizeX = mapBlocks2[i].SizeX;
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mapReply.Size[i].SizeY = mapBlocks2[i].SizeY;
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}
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OutPacket(mapReply, ThrottleOutPacketType.Land);
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ut = md.SizeY;
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sizes[count++] = ut;
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if (ut > 256)
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needSizes = true;
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}
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public void SendMapBlock(List<MapBlockData> mapBlocks, uint flag)
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UDPPacketBuffer buf = m_udpServer.GetNewUDPBuffer(m_udpClient.RemoteEndPoint);
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byte[] data = buf.Data;
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//setup header and agentinfo block
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Buffer.BlockCopy(MapBlockReplyHeader, 0, data, 0, 10);
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AgentId.ToBytes(data, 10); // 26
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Utils.UIntToBytesSafepos(flags, data, 26); // 30
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int countpos = 30;
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int pos = 31;
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int lastpos = 0;
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int capacity = LLUDPServer.MAXPAYLOAD - pos;
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count = 0;
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byte[] regionName = null;
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foreach (MapBlockData md in mapBlocks)
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{
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MapBlockData[] mapBlocks2 = mapBlocks.ToArray();
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lastpos = pos;
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int maxsend = 10;
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Utils.UInt16ToBytes(md.X, data, pos); pos += 2;
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Utils.UInt16ToBytes(md.Y, data, pos); pos += 2;
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regionName = Util.StringToBytes256(md.Name);
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data[pos++] = (byte)regionName.Length;
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if(regionName.Length > 0)
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Buffer.BlockCopy(regionName, 0, data, pos, regionName.Length); pos += regionName.Length;
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data[pos++] = md.Access;
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Utils.UIntToBytesSafepos(md.RegionFlags, data, pos); pos += 4;
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data[pos++] = md.WaterHeight;
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data[pos++] = md.Agents;
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md.MapImageId.ToBytes(data, pos); pos += 16;
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//int packets = Math.Ceiling(mapBlocks2.Length / maxsend);
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if(needSizes)
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capacity -= 4; // 2 shorts per entry
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List<MapBlockData> sendingBlocks = new List<MapBlockData>();
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for (int i = 0; i < mapBlocks2.Length; i++)
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if(pos < capacity)
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{
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sendingBlocks.Add(mapBlocks2[i]);
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if (((i + 1) == mapBlocks2.Length) || (((i + 1) % maxsend) == 0))
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{
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SendMapBlockSplit(sendingBlocks, flag);
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sendingBlocks = new List<MapBlockData>();
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++count;
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--blocks;
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}
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else
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{
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// prepare next packet
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UDPPacketBuffer newbuf = m_udpServer.GetNewUDPBuffer(m_udpClient.RemoteEndPoint);
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Buffer.BlockCopy(MapBlockReplyHeader, 0, newbuf.Data, 0, 30);
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// copy the block we already did
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int alreadyDone = pos - lastpos;
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Buffer.BlockCopy(data, lastpos, newbuf.Data, 31, alreadyDone); // 30 is datablock size
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// finish current
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data[countpos] = (byte)count;
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if (needSizes)
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{
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data[lastpos++] = (byte)count;
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while (--count >= 0)
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{
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Utils.UInt16ToBytes(sizes[sizesptr++], data, lastpos); lastpos += 2;
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Utils.UInt16ToBytes(sizes[sizesptr++], data, lastpos); lastpos += 2;
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}
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}
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else
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data[lastpos++] = 0;
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buf.DataLength = lastpos;
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// send it
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m_udpServer.SendUDPPacket(m_udpClient, buf, ThrottleOutPacketType.Land, null, false, false);
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buf = newbuf;
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data = buf.Data;
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pos = alreadyDone + 31;
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capacity = LLUDPServer.MAXPAYLOAD - pos;
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if (needSizes)
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capacity -= 4; // 2 shorts per entry
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count = 1;
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--blocks;
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}
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}
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regionName = null;
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if (count > 0)
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{
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data[countpos] = (byte)count;
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if (needSizes)
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{
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data[pos++] = (byte)count;
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while (--count >= 0)
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{
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Utils.UInt16ToBytes(sizes[sizesptr++], data, pos); pos += 2;
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Utils.UInt16ToBytes(sizes[sizesptr++], data, pos); pos += 2;
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}
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}
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else
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data[pos++] = 0;
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buf.DataLength = pos;
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m_udpServer.SendUDPPacket(m_udpClient, buf, ThrottleOutPacketType.Land, null, false, false);
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}
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}
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